The Big Bang Theory - Season 9 Episode 20 : The Big Bear Precipitation
Sheldon spills a secret of Leonard’s when the two take a weekend cabin trip with Penny and Amy. Also, when Koothrappali goes overboard with pregnancy gifts, Wolowitz and Bernadette must draw the line.
Alternative Titles: 天才理论传, Big Bang Theory, תאוריית המפץ הגדול, Hamapats hagadol, Enfejare Bozorg, ビッグバン★セオリー, La teoría del Big Bang, Štreberi, Teoria vel'keho tresku, Büyük Patlama Teorisi